CVE-2015-6908: Input Validation
First published: Fri Sep 11 2015(Updated: )
The ber_get_next function in libraries/liblber/io.c in OpenLDAP 2.4.42 and earlier allows remote attackers to cause a denial of service (reachable assertion and application crash) via crafted BER data, as demonstrated by an attack against slapd.
Credit: security@debian.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenLDAP | <=2.4.42 | |
| Apple iOS and macOS | <=10.11.1 |
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Reference Links
- http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00040.html
- http://rhn.redhat.com/errata/RHSA-2015-1840.html
- http://www.debian.org/security/2015/dsa-3356
- http://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commit;h=6fe51a9ab04fd28bbc171da3cf12f1c1040d6629
- http://www.openldap.org/its/index.cgi/Software%20Bugs?id=8240
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.security-assessment.com/files/documents/advisory/OpenLDAP-ber_get_next-Denial-of-Service.pdf
- http://www.securityfocus.com/bid/76714
- http://www.securitytracker.com/id/1033534
- http://www.ubuntu.com/usn/USN-2742-1
- https://support.apple.com/HT205637
- http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commit%3Bh=6fe51a9ab04fd28bbc171da3cf12f1c1040d6629
Frequently Asked Questions
What is the severity of CVE-2015-6908?
CVE-2015-6908 has a severity rating that suggests it can lead to a denial of service due to application crashes.
How do I fix CVE-2015-6908?
To address CVE-2015-6908, upgrade to OpenLDAP version 2.4.43 or later, which resolves the vulnerability.
What systems are affected by CVE-2015-6908?
CVE-2015-6908 affects OpenLDAP 2.4.42 and earlier as well as macOS Yosemite 10.11.1.
What type of attack does CVE-2015-6908 enable?
CVE-2015-6908 enables remote attackers to perform denial of service attacks through crafted BER data.
Is CVE-2015-6908 exploitable over the network?
Yes, CVE-2015-6908 is exploitable remotely, allowing attackers to cause a denial of service on affected systems.
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- collector/mitre-cve
- source/MITRE
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- agent/author
- agent/references
- agent/event
- agent/description
- agent/first-publish-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/openldap
- canonical/openldap
- version/openldap/2.4.42
- vendor/apple
- canonical/apple ios and macos
- version/apple ios and macos/10.11.1